JavaScript - On Click Change Selected Element's Style (mootools)

[...]
<div>
<span style="color:red;">a</span>
<span style="color:blue;">b</span>
<span style="color:white;">c</span>
</div>
<div>
<span style="color:red;">d</span>
<span style="color:blue;">a</span>
<span style="color:white;">a</span>
</div>
[...]

function getElement(id, type)
{
    var inputs = document.getElementsByTagName(type);
    var descField = null;
    for(var i=0;i<inputs.length;i++)
    {
        if(inputs.item(i).getAttribute('id') == id )
        {
            descField = inputs.item(i);
            break;
        }
    }
    
    return descField;
}



// setStyleById: given an element id, style property and 
// value, apply the style.
// args:
//  i - element id
//  p - property
//  v - value
//
function setStyleById(i, p, v) {
	//var n = document.getElementById(i);
	var n = getElement(i, 'div');
	n.style[p] = v;
}

function getElement(id, type)
{
    var inputs = document.getElementsByTagName(type);
    var descField = null;
    for(var i=0;i<inputs.length;i++)
    {
        if(inputs.item(i).getAttribute('id') == id )
        {
            descField = inputs.item(i);
            break;
        }
    }
    
    return descField;
}



// setStyleById: given an element id, style property and 
// value, apply the style.
// args:
//  i - element id
//  p - property
//  v - value
//
function setStyleById(i, p, v) {
	//var n = document.getElementById(i);
	var n = getElement(i, 'div');
	n.style[p] = v;
}

function replace_html(el, html) {
	if( el ) {
                oldEl = (typeof el === "string" ? document.getElementById(el) : el);
                newEl = document.createElement(oldEl.nodeName);

                // Preserve any properties we care about (id and class in this example)
                newEl.id = oldEl.id;
                newEl.className = oldEl.className;
                //alert(newEl.id);
                //set the new HTML and insert back into the DOM
                newEl.innerHTML = html;
                
               // alert(newEl.innerHTML);
                if(oldEl.parentNode)
        	        oldEl.parentNode.replaceChild(newEl, oldEl);
                else
		        oldEl.innerHTML = html;

                //return a reference to the new element in case we need it
                return newEl;
	}
};


function populate_array()
{
	// this function's sole job is to populate the array of items to be used.


	var da = new Array(8);

	da[0] = new Array(3);
	da[0][0] = "portfolio/garage_conversion_before.jpg";
	da[0][1] = "portfolio/garage_into_kitchen.jpg";
	da[0][2] = "pfimage1";

	da[1] = new Array(3);
	da[1][0] = "portfolio/refurb_old.jpg";
	da[1][1] = "portfolio/refurb_new.jpg";
	da[1][2] = "pfimage2";

	da[2] = new Array(3);
	da[2][0] = "portfolio/fireplace_old.jpg";
	da[2][1] = "portfolio/fireplace_new.jpg";
	da[2][2] = "pfimage3";

	da[3] = new Array(3);
	da[3][0] = "portfolio/bathroom1_old.jpg";
	da[3][1] = "portfolio/bathroom1_new.jpg";
	da[3][2] = "pfimage4";

	da[4] = new Array(3);
	da[4][0] = "portfolio/kitchen1_old.jpg";
	da[4][1] = "portfolio/kitchen1_new.jpg";
	da[4][2] = "pfimage5";

	da[5] = new Array(3);
	da[5][0] = "portfolio/bathroom2_old.jpg";
	da[5][1] = "portfolio/bathroom2_new.jpg";
	da[5][2] = "pfimage6";

	da[6] = new Array(3);
	da[6][0] = "portfolio/bathroom3_old.jpg";
	da[6][1] = "portfolio/bathroom3_new.jpg";
	da[6][2] = "pfimage7";

	da[7] = new Array(3);
	da[7][0] = "portfolio/ext1_old.jpg";
	da[7][1] = "portfolio/ext1_new.jpg";
	da[7][2] = "pfimage8";


	return da;

}


function switchimage(folioItemNum, ImageState)
{
    var isOpera, isIE = false;
    if(typeof(window.opera) != 'undefined'){isOpera = true;}
    if(!isOpera && navigator.userAgent.indexOf('Internet Explorer')){isIE = true;}


	// folioItemNum tells us which folio item to access,
	// ImageState tells us which image to set.
	// we will use ajax/dom to re-write the document.

	var OldImageState = 1 - ImageState;

	// 2d array of items.
	var darray = populate_array();

	// take one item and fade out
	opacity(darray[folioItemNum][2], 100, 0, 500);
	
	// re-arrange.
	// with time delay.
	window.setTimeout(function (a,b,c,d,e){
		var y = "<a href=\"" + c + "\" rel=\"lightbox[" +  d + "]\" class=\"hiddenimg\"><img src=\"" + c + "\" class=\"folioimghidden\"/></a><a href=\"" + b + "\" rel=\"lightbox[" +  d + "]\"><img src=\"" + b + "\" class=\"folioimg\"/></a>";
		replace_html(e, y);
		opacity(e, 0, 100, 500);
	},500,document.getElementById(darray[folioItemNum][2]),darray[folioItemNum][ImageState],darray[folioItemNum][OldImageState],folioItemNum,darray[folioItemNum][2]);
	
	
	// done.
}


function regenbottomimgs()
{
    var isOpera, isIE = false;
    if(typeof(window.opera) != 'undefined'){isOpera = true;}
    if(!isOpera && navigator.userAgent.indexOf('Internet Explorer')){isIE = true;}


	var array = Array(3);
	array[0] = -1;
	array[1] = -1;
	array[2] = -1;


	array[0] = get_unique_random_int(6, array, 3);
	array[1] = get_unique_random_int(6, array, 3);
	array[2] = get_unique_random_int(6, array, 3);

	var darray = populate_array();
	var imgstr = "<img src=\"" + darray[array[0]][1] + "\" class=\"scaleddown1\" /><img src=\"" + darray[array[1]][1] + "\" class=\"scaleddown2\" /><img src=\"" + darray[array[2]][1] + "\" class=\"scaleddown2\" />";

	opacity("bottomimgs", 100, 0, 500);

	
	window.setTimeout(function (a,b){
		var x = replace_html(b, a);
		opacity(b, 0, 100, 500);
	},500,imgstr,"bottomimgs");
	
	
}



function get_random_int(Max)
{
    var randomnumber = Math.round( Math.random() * Max );
    return randomnumber;
}


function get_unique_random_int(Max, List, List_Length)
{
	var stop = 1
	var esc = 0
	var x = 0;
	var i = 0;

	while ( stop == 1 )
	{
		esc = 0;

		x = get_random_int(Max);

		for ( i = 0; i < List_Length; i++ )
		{
			if ( x == List[i] )
			{
				esc = 1;
				break;
			}
		}

		if ( esc == 0 )
		{
			stop = 0;
		}
	}

	return x;
}


function randomise_bottom_images()
{
	regenbottomimgs();
	setTimeout("randomise_bottom_images()",5000);
}

function launch_randomise()
{
	setTimeout("randomise_bottom_images()", 5000);
}

function switchallnew()
{
	switchimage(0,1);
	switchimage(1,1);
	switchimage(2,1);
	switchimage(3,1);
	switchimage(4,1);
	switchimage(5,1);
	switchimage(6,1);
	switchimage(7,1);
}



function opacity(id, opacStart, opacEnd, millisec) 
{
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if( opacStart > opacEnd ) 
    {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout(function (opacity, id) {
                setStyleById(id, "opacity", (opacity / 100));
                setStyleById(id, "MozOpacity", (opacity / 100));
                setStyleById(id, "KhtmlOpacity", (opacity / 100));
                setStyleById(id, "filter", "alpha(opacity=" + opacity + ")");
            
            },(timer * speed), i, id);
            timer++;
        }
    } 
    else if(opacStart < opacEnd) 
    {
        for(i = opacStart; i <= opacEnd; i++)
        {
            setTimeout(function (opacity, id) {
               
                setStyleById(id, "opacity", (opacity / 100));
                setStyleById(id, "MozOpacity", (opacity / 100));
                setStyleById(id, "KhtmlOpacity", (opacity / 100));
                setStyleById(id, "filter", "alpha(opacity=" + opacity + ")");
            
            },(timer * speed), i, id);
            timer++;
        }
    }
}

<html>
<head>
<script type="text/javascript">

  function nameofmonth(month)
   {  
     var monthname=new Array("January","February","March","April","May","June","July","August","September","October","November","December")
      return monthname[month]
    }  
   function monthdays(month,year)
    {
      var daysofmonth=new Array(31,28,31,31,30,31,31,31,30,31,30,31)
      if(year%4==0)
      daysofmonth[1]=29  
      return daysofmonth[month]   
      }
     function close(){
	 
	 document.getElementById("container").style.display='none'
	 }
	 
     function table()
      {
       var now=new Date()
       var hour=now.getHours()
       var minute=now.getMinutes()
       var second=now.getSeconds()
       var date=now.getDate()
       var month=now.getMonth() 
       var year=now.getFullYear()
       now.setFullYear(year,month,1)
       var firstday=now.getDay()
       var monthname=nameofmonth(month)
       var daysofmonth=monthdays(month,year)
        if(firstday>0)
          var k=-(firstday-1)
        else
          k=1
       var table="<table border=5 cellspacing=3cellpadding=8>"
       table +="<tr><th colspan=7>"+monthname + date+"th</th> <td  style='cursor:pointer' onclick='close()'>[close]</td></tr>"
       table +="<tr><th>sun</th><th>mon</th><th>tue</><th>wed</th><th>thu</th><th>fri</><th>sat</th></tr>"
       for(var i=0;i<5;i++)
        {
         table+="<tr>"
         for(var j=0;j<7;j++)
          {
            if(k<=daysofmonth && k>0)
              { if(k==date)
                 table+='<td id="clock" bgcolor="aqua">'+k+'</td>'
              else
               table+='<td style="cursor:pointer">'+k+'</td>'
               k=parseInt(k)

             }
          else
             table+="<td></td>"
             k++
           }
      table+="</tr>"
      document.getElementById("calender").innerHTML=table  
	}
	}
	
	
</script>
</head>
<body>
<input type="text" onclick="table()"/>
<table id="container"><tr><td id="calender"></td></tr></table>

</body>
</html>

<form>
<select name="otype[]" class="txtText" id="otype[]">
              <option value="Processing">Processing</option>
              <option value="Shipped">Shipped</option>
                                    </select>

some code......

<select name="otype[]" class="txtText" id="otype[]">
              <option value="Processing">Processing</option>
              <option value="Shipped">Shipped</option>
                                    </select>

some code.......

<select name="otype[]" class="txtText" id="otype[]">
              <option value="Processing">Processing</option>
              <option value="Shipped">Shipped</option>
                                    </select>

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" href="standard.css" type="text/css" />
<script type="text/javascript" src="calendar.js"></script>
<title>CALENDAR</title>
</head>
<body>
<label>Date :&nbsp;</label><input name="startdate" type="text" onClick="displayDatePicker('startdate')">
<script type="text/javascript">
window.onLoad(displayDatePicker('ADate'));
</script></body></html>

var datePickerDivID = "datepicker";
var iFrameDivID = "datepickeriframe";

var dayArrayShort = new Array('Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa');
var dayArrayMed = new Array('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat');
var dayArrayLong = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
var monthArrayShort = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
var monthArrayMed = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'June', 'July', 'Aug', 'Sept', 'Oct', 'Nov', 'Dec');
var monthArrayLong = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');
 
// these variables define the date formatting we're expecting and outputting.
// If you want to use a different format by default, change the defaultDateSeparator
// and defaultDateFormat variables either here or on your HTML page.
var defaultDateSeparator = "/";        // common values would be "/" or "."
var defaultDateFormat = "dmy"    // valid values are "mdy", "dmy", and "ymd"
var dateSeparator = defaultDateSeparator;
var dateFormat = defaultDateFormat;


function displayDatePicker(dateFieldName, displayBelowThisObject, dtFormat, dtSep)
{
  var targetDateField = document.getElementsByName (dateFieldName).item(0);
 
  // if we weren't told what node to display the datepicker beneath, just display it
  // beneath the date field we're updating
  if (!displayBelowThisObject)
    displayBelowThisObject = targetDateField;
 
  // if a date separator character was given, update the dateSeparator variable
  if (dtSep)
    dateSeparator = dtSep;
  else
    dateSeparator = defaultDateSeparator;
 
  // if a date format was given, update the dateFormat variable
  if (dtFormat)
    dateFormat = dtFormat;
  else
    dateFormat = defaultDateFormat;
 
  var x = displayBelowThisObject.offsetLeft;
  var y = displayBelowThisObject.offsetTop + displayBelowThisObject.offsetHeight ;
 
  // deal with elements inside tables and such
  var parent = displayBelowThisObject;
  while (parent.offsetParent) {
    parent = parent.offsetParent;
    x += parent.offsetLeft;
    y += parent.offsetTop ;
  }
 
  drawDatePicker(targetDateField, x, y);
}


/**
Draw the datepicker object (which is just a table with calendar elements) at the
specified x and y coordinates, using the targetDateField object as the input tag
that will ultimately be populated with a date.

This function will normally be called by the displayDatePicker function.
*/
function drawDatePicker(targetDateField, x, y)
{
  var dt = getFieldDate(targetDateField.value );
 
  // the datepicker table will be drawn inside of a <div> with an ID defined by the
  // global datePickerDivID variable. If such a div doesn't yet exist on the HTML
  // document we're working with, add one.
  if (!document.getElementById(datePickerDivID)) {
    // don't use innerHTML to update the body, because it can cause global variables
    // that are currently pointing to objects on the page to have bad references
    //document.body.innerHTML += "<div id='" + datePickerDivID + "' class='dpDiv'></div>";
    var newNode = document.createElement("div");
    newNode.setAttribute("id", datePickerDivID);
    newNode.setAttribute("class", "dpDiv");
    newNode.setAttribute("style", "visibility: hidden;");
    document.body.appendChild(newNode);
  }
 
  // move the datepicker div to the proper x,y coordinate and toggle the visiblity
  var pickerDiv = document.getElementById(datePickerDivID);
  pickerDiv.style.position = "absolute";
  pickerDiv.style.left = x + "px";
  pickerDiv.style.top = y + "px";
  pickerDiv.style.visibility = (pickerDiv.style.visibility == "visible" ? "hidden" : "visible");
  pickerDiv.style.display = (pickerDiv.style.display == "block" ? "none" : "block");
  pickerDiv.style.zIndex = 10000;
 
  // draw the datepicker table
  refreshDatePicker(targetDateField.name, dt.getFullYear(), dt.getMonth(), dt.getDate());
}


/**
This is the function that actually draws the datepicker calendar.
*/
function refreshDatePicker(dateFieldName, year, month, day)
{
  // if no arguments are passed, use today's date; otherwise, month and year
  // are required (if a day is passed, it will be highlighted later)
  var thisDay = new Date();
 
  if ((month >= 0) && (year > 0)) {
    thisDay = new Date(year, month, 1);
  } else {
    day = thisDay.getDate();
    thisDay.setDate(1);
  }
 
  // the calendar will be drawn as a table
  // you can customize the table elements with a global CSS style sheet,
  // or by hardcoding style and formatting elements below
  var crlf = "\r\n";
  var TABLE = "<table cols=7 class='dpTable'>" + crlf;
  var xTABLE = "</table>" + crlf;
  var TR = "<tr class='dpTR'>";
  var TR_title = "<tr class='dpTitleTR'>";
  var TR_days = "<tr class='dpDayTR'>";
  var TR_todaybutton = "<tr class='dpTodayButtonTR'>";
  var xTR = "</tr>" + crlf;
  var TD = "<td class='dpTD' onMouseOut='this.className=\"dpTD\";' onMouseOver=' this.className=\"dpTDHover\";' ";    // leave this tag open, because we'll be adding an onClick event
  var TD_title = "<td colspan=5 class='dpTitleTD'>";
  var TD_buttons = "<td class='dpButtonTD'>";
  var TD_todaybutton = "<td colspan=7 class='dpTodayButtonTD'>";
  var TD_days = "<td class='dpDayTD'>";
  var TD_selected = "<td class='dpDayHighlightTD' onMouseOut='this.className=\"dpDayHighlightTD\";' onMouseOver='this.className=\"dpTDHover\";' ";    // leave this tag open, because we'll be adding an onClick event
  var xTD = "</td>" + crlf;
  var DIV_title = "<div class='dpTitleText'>";
  var DIV_selected = "<div class='dpDayHighlight'>";
  var xDIV = "</div>";
 
  // start generating the code for the calendar table
  var html = TABLE;
 
  // this is the title bar, which displays the month and the buttons to
  // go back to a previous month or forward to the next month
  html += TR_title;
  html += TD_buttons + getButtonCode(dateFieldName, thisDay, -1, "&lt;") + xTD;
  html += TD_title + DIV_title + monthArrayLong[ thisDay.getMonth()] + " " + thisDay.getFullYear() + xDIV + xTD;
  html += TD_buttons + getButtonCode(dateFieldName, thisDay, 1, "&gt;") + xTD;
  html += xTR;
 
  // this is the row that indicates which day of the week we're on
  html += TR_days;
  for(i = 0; i < dayArrayShort.length; i++)
    html += TD_days + dayArrayShort[i] + xTD;
  html += xTR;
 
  // now we'll start populating the table with days of the month
  html += TR;
 
  // first, the leading blanks
  for (i = 0; i < thisDay.getDay(); i++)
    html += TD + "&nbsp;" + xTD;
 
  // now, the days of the month
  do {
    dayNum = thisDay.getDate();
    TD_onclick = " onclick=\"updateDateField('" + dateFieldName + "', '" + getDateString(thisDay) + "');\">";
    
    if (dayNum == day)
      html += TD_selected + TD_onclick + DIV_selected + dayNum + xDIV + xTD;
    else
      html += TD + TD_onclick + dayNum + xTD;
    
    // if this is a Saturday, start a new row
    if (thisDay.getDay() == 6)
      html += xTR + TR;
    
    // increment the day
    thisDay.setDate(thisDay.getDate() + 1);
  } while (thisDay.getDate() > 1)
 
  // fill in any trailing blanks
  if (thisDay.getDay() > 0) {
    for (i = 6; i > thisDay.getDay(); i--)
      html += TD + "&nbsp;" + xTD;
  }
  html += xTR;
 
  // add a button to allow the user to easily return to today, or close the calendar
  var today = new Date();
  var todayString = "Today is " + dayArrayMed[today.getDay()] + ", " + monthArrayMed[ today.getMonth()] + " " + today.getDate();
  html += TR_todaybutton + TD_todaybutton;
  html += "<button class='dpTodayButton' onClick='refreshDatePicker(\"" + dateFieldName + "\");'>this month</button> ";
  html += xTD + xTR;
 
  // and finally, close the table
  html += xTABLE;
 
  document.getElementById(datePickerDivID).innerHTML = html;
  // add an "iFrame shim" to allow the datepicker to display above selection lists
  adjustiFrame();
}


/**
Convenience function for writing the code for the buttons that bring us back or forward
a month.
*/
function getButtonCode(dateFieldName, dateVal, adjust, label)
{
  var newMonth = (dateVal.getMonth () + adjust) % 12;
  var newYear = dateVal.getFullYear() + parseInt((dateVal.getMonth() + adjust) / 12);
  if (newMonth < 0) {
    newMonth += 12;
    newYear += -1;
  }
 
  return "<button class='dpButton' onClick='refreshDatePicker(\"" + dateFieldName + "\", " + newYear + ", " + newMonth + ");'>" + label + "</button>";
}


/**
Convert a JavaScript Date object to a string, based on the dateFormat and dateSeparator
variables at the beginning of this script library.
*/
function getDateString(dateVal)
{
  var dayString = "00" + dateVal.getDate();
  var monthString = "00" + (dateVal.getMonth()+1);
  dayString = dayString.substring(dayString.length - 2);
  monthString = monthString.substring(monthString.length - 2);
 
  switch (dateFormat) {
    case "dmy" :
      return dayString + dateSeparator + monthString + dateSeparator + dateVal.getFullYear();
    case "ymd" :
      return dateVal.getFullYear() + dateSeparator + monthString + dateSeparator + dayString;
    case "mdy" :
    default :
      return monthString + dateSeparator + dayString + dateSeparator + dateVal.getFullYear();
  }
}


/**
Convert a string to a JavaScript Date object.
*/
function getFieldDate(dateString)
{
  var dateVal;
  var dArray;
  var d, m, y;
 
  try {
    dArray = splitDateString(dateString);
    if (dArray) {
      switch (dateFormat) {
        case "dmy" :
          d = parseInt(dArray[0], 10);
          m = parseInt(dArray[1], 10) - 1;
          y = parseInt(dArray[2], 10);
          break;
        case "ymd" :
          d = parseInt(dArray[2], 10);
          m = parseInt(dArray[1], 10) - 1;
          y = parseInt(dArray[0], 10);
          break;
        case "mdy" :
        default :
          d = parseInt(dArray[1], 10);
          m = parseInt(dArray[0], 10) - 1;
          y = parseInt(dArray[2], 10);
          break;
      }
      dateVal = new Date(y, m, d);
    } else if (dateString) {
      dateVal = new Date(dateString);
    } else {
      dateVal = new Date();
    }
  } catch(e) {
    dateVal = new Date();
  }
 
  return dateVal;
}


/**
Try to split a date string into an array of elements, using common date separators.
If the date is split, an array is returned; otherwise, we just return false.
*/
function splitDateString(dateString)
{
  var dArray;
  if (dateString.indexOf("/") >= 0)
    dArray = dateString.split("/");
  else if (dateString.indexOf(".") >= 0)
    dArray = dateString.split(".");
  else if (dateString.indexOf("-") >= 0)
    dArray = dateString.split("-");
  else if (dateString.indexOf("\\") >= 0)
    dArray = dateString.split("\\");
  else
    dArray = false;
 
  return dArray;
}


function updateDateField(dateFieldName, dateString)
{
  var targetDateField = document.getElementsByName (dateFieldName).item(0);
  if (dateString)
    targetDateField.value = dateString;
 
  var pickerDiv = document.getElementById(datePickerDivID);
  pickerDiv.style.visibility = "hidden";
  pickerDiv.style.display = "none";
 
  adjustiFrame();
  targetDateField.focus();
 
  // after the datepicker has closed, optionally run a user-defined function called
  // datePickerClosed, passing the field that was just updated as a parameter
  // (note that this will only run if the user actually selected a date from the datepicker)
  if ((dateString) && (typeof(datePickerClosed) == "function"))
    datePickerClosed(targetDateField);
}


/**
Use an "iFrame shim" to deal with problems where the datepicker shows up behind
selection list elements, if they're below the datepicker. The problem and solution are
described at:

http://dotnetjunkies.com/WebLog/jking/archive/2003/07/21/488.aspx
http://dotnetjunkies.com/WebLog/jking/archive/2003/10/30/2975.aspx
*/
function adjustiFrame(pickerDiv, iFrameDiv)
{
  // we know that Opera doesn't like something about this, so if we
  // think we're using Opera, don't even try
  var is_opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
  if (is_opera)
    return;
  
  // put a try/catch block around the whole thing, just in case
  try {
    if (!document.getElementById(iFrameDivID)) {
      // don't use innerHTML to update the body, because it can cause global variables
      // that are currently pointing to objects on the page to have bad references
      //document.body.innerHTML += "<iframe id='" + iFrameDivID + "' src='javascript:false;' scrolling='no' frameborder='0'>";
      var newNode = document.createElement("iFrame");
      newNode.setAttribute("id", iFrameDivID);
      newNode.setAttribute("src", "javascript:false;");
      newNode.setAttribute("scrolling", "no");
      newNode.setAttribute ("frameborder", "0");
      document.body.appendChild(newNode);
    }
    
    if (!pickerDiv)
      pickerDiv = document.getElementById(datePickerDivID);
    if (!iFrameDiv)
      iFrameDiv = document.getElementById(iFrameDivID);
    
    try {
      iFrameDiv.style.position = "absolute";
      iFrameDiv.style.width = pickerDiv.offsetWidth;
      iFrameDiv.style.height = pickerDiv.offsetHeight ;
      iFrameDiv.style.top = pickerDiv.style.top;
      iFrameDiv.style.left = pickerDiv.style.left;
      iFrameDiv.style.zIndex = pickerDiv.style.zIndex - 1;
      iFrameDiv.style.visibility = pickerDiv.style.visibility ;
      iFrameDiv.style.display = pickerDiv.style.display;
    } catch(e) {
    }
 
  } catch (ee) {
  }
 
}

body { margin:5px 5px; font-size:0.9em; font-family: "Myriad Pro", "Trebuchet MS", Arial; font-size:14px; border:1px solid #000; background-color:#CCCCFF;}
a { color:#64a520; text-decoration:none;}
a:hover { text-decoration:underline;}

	
	
/*Calendar Styles*/
	
/* the div that holds the date picker calendar */
.dpDiv {
	}


/* the table (within the div) that holds the date picker calendar */
.dpTable {
	font-family: Tahoma, Arial, Helvetica, sans-serif;
	font-size: 12px;
	text-align: center;
	color:#000000;
	background-color:#99CCCC;
	border: 1px solid #AAAAAA;
	}


/* a table row that holds date numbers (either blank or 1-31) */
.dpTR {
	}


/* the top table row that holds the month, year, and forward/backward buttons */
.dpTitleTR {
	}


/* the second table row, that holds the names of days of the week (Mo, Tu, We, etc.) */
.dpDayTR {
	}


/* the bottom table row, that has the "This Month" and "Close" buttons */
.dpTodayButtonTR {
	}


/* a table cell that holds a date number (either blank or 1-31) */
.dpTD {
	border: 1px solid #ece9d8;
	}


/* a table cell that holds a highlighted day (usually either today's date or the current date field value) */
.dpDayHighlightTD {
	background-color: #CCCCCC;
	border: 1px solid #AAAAAA;
	}


/* the date number table cell that the mouse pointer is currently over (you can use contrasting colors to make it apparent which cell is being hovered over) */
.dpTDHover {
	background-color: #aca998;
	border: 1px solid #888888;
	cursor: pointer;
	color: red;
	}


/* the table cell that holds the name of the month and the year */
.dpTitleTD {
	}


/* a table cell that holds one of the forward/backward buttons */
.dpButtonTD {
	}


/* the table cell that holds the "This Month" or "Close" button at the bottom */
.dpTodayButtonTD {
	}


/* a table cell that holds the names of days of the week (Mo, Tu, We, etc.) */
.dpDayTD {
	background-color: #CCCCCC;
	border: 1px solid #AAAAAA;
	color: white;
	}


/* additional style information for the text that indicates the month and year */
.dpTitleText {
	font-size: 12px;
	color: gray;
	font-weight: bold;
	}


/* additional style information for the cell that holds a highlighted day (usually either today's date or the current date field value) */ 
.dpDayHighlight {
	color: 4060ff;
	font-weight: bold;
	}


/* the forward/backward buttons at the top */
.dpButton {
	font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: gray;
	background: #d8e8ff;
	font-weight: bold;
	padding: 0px;
	}


/* the "This Month" and "Close" buttons at the bottom */
.dpTodayButton {
	font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: gray;
	background: #d8e8ff;
	font-weight: bold;
	}

<select class="Form" name="opties">
<option value="AAA">AAA</option>
<option value="BBB">BBB</option>
<option value="SLX" selected>Selecteer optie</option>
</select>

function displayOption(divName)
{
 document.getElementById(divName).innerText=document.form1.select1.options[document.form1.select1.selectedIndex].value;
}

<select class="Form" name="opties" onChange="displayOption('div1');">
<option value="AAA">AAA</option>
<option value="BBB">BBB</option>
<option value="SLX" selected>Selecteer optie</option>
</select>

.tag_desc { clear:both; height:30px; overflow:hidden;  }

<div class="tag_read_more"><a onclick="document.getElementsByClassName('tag_desc').style.height = 'auto';">Read more ...</a></div>

<script type="text/javascript">

	function arrow(boxName){
			document.getElementById(boxName).style.display = 'block';
	}

	arrow('downarrow');

</script>
<span id="downarrow"><img src="http://www.mysite.com/images/downarrow.png" /></span>

<style>
#table {display: hidden; z-index: 100;}
</style>

<table id='table' ><td> ......data</td></table>

<script>
function change(){
document.getElementById("table").style.display='block';
}
</script>

<a href='javascript:void(0)' onclick='change()'>Change</a>